Deck chair



FIG. 1 is a front three-quarter perspective embodying my new design;

FIG. 2 is a front view;

FIG. 3 is a rear view;

FIG. 4 is a side view taken from the left of FIG. 1;

FIG. 5 is a top plan view; and,

FIG. 6 is a bottom plan view. 

The ornamental design for a deck chair, as shown and described. 